Great scientists don't ________ graduate from well-known universities. Some didn't even attend school a year in total.
| A．usually | B．necessarily | C．extremely | D．formally |
He kept smiling secretly and we were all wondering_______that made him so happy．
| A．how it did | B．what he did | C．how it was | D．what it was |
People who don’t smoke have less _____ of suffering from lung cancer than those who do.
| A．coincidence | B．load | C．aspect | D．potential |
Sitting at the back of the room but in front of some old men and women ______ a very shy girl with two bright eyes.
| A．was | B．were | C．are | D．being |
--- We are going to hold a sports meeting tomorrow.
-- ______ it rains?
| A．How about | B．What if | C．If only | D．Even if |
_____ in her most beautiful skirt, the girl tried to make herself ______ at the party．
| A．Dressed; noticing | B．Dressing; noticed |
| C．Dressed; noticed | D．Dressing; being noticing |